Jewel palette
Autumn Square
From #003ba8 ink through #2b67da, #4684f9, #6096fa to #8cb5ff light, Autumn Square is a split-complementary progression that holds together at any size. Use it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA as a text pair.
skyjewelfive-stophigh-contrast
#003ba8
#2b67da
#4684f9
#6096fa
#8cb5ff
The generator opens with #003ba8 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.